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Hi All

I am sure this has been discussed multiple times.
I have searched the forum and found nothing like my problem.
I have windows server 2003 it runs a incremental backup everyday.
but on saturday it runs a normal(full) backup. during the week it runs fine.
on the weekend it fails and gives me the E: is not a valid drive, or you do not have access.
I have checked security and NTBackup user has all the permissions for drive E:
and so does Backup Operators also. any ideas what else i should check?

Thanks

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Last Post by CimmerianX
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Are there time restrictions on these accounts that allow logons during the work week, but no access during off hours?

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No time restrictions, this also was working fine for about a year

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i am attaching my backup batch file

Attachments
::This batch job will stop Timberline Document Management service and 
::backup DM to the NAS.

E:\applications\TSDV\hub_service -stop

E:\applications\TSDV\db_prog.exe -start_offline_dump

robocopy e:\applications\TSDV \\nas\backups\TimberlineDMbackup\TSDV /e /copyall /V /NFL /NDL /w:1 /r:0 /np

robocopy "c:\documents and settings\all users\application data\sage" \\nas\backups\TimberlineDMbackup\sage /e /copyall /V /NFL /NDL /w:1 /r:0 /np


::Now robocopy to the secondaryserver 

robocopy e: \\secondaryserver\e$ /e /copyall /XD "E:\System Volume Information" /V /NFL /NDL /w:1 /r:0 /np 

E:\applications\TSDV\db_prog.exe -cancel_offline_dump

net start cypress


echo on
for /f "tokens=1-4 delims=/ " %%a in ('date /t') do (
	set yyyymmdd=%%d_%%b_%%c
	set dd=%%c
	set dow=%%a
)
echo %yyyymmdd%
echo %dd%


set btype=Incremental
if "%dow%"=="Sat" set btype=Normal

::Backup of File Server 

C:\WINDOWS\system32\ntbackup.exe backup "@C:\Documents and Settings\NTBackup\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\DailyBackup.bks" /F \\nas\backups\FileServerBackups\BACKUP_%dd%.bkf /m %btype% /v:no /j "Backup.job" /l:s

for /f "tokens=2 delims=]" %%a in ('dir /o:-d /b c:\"Documents and Settings\NTBackup\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\backup*.log" ^| find /i /n "backup" ^| find /i "[1]"') do set mylog=%%a
find /i /v "backup" "c:\Documents and Settings\NTBackup\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\%mylog%" | find /i /v "Media name" >>c:\batch\backupsummary.log



::Now Mail Backup Result to Administrators.
::This line mails the File Server backup log.
smtpsend -fxxxx@*****.com -tme@*****.com -s File Server Backup Result. -hmail.*****.com -iC:\Documents and Settings\NTBackup\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\%mylog%

::This line mails the Document Management backup log.
smtpsend -fxxxx@*****.com -tme@*****.com -s DM Backup Result. -hmail.*****.com -ic:\batch\dailybackup.txt
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Ok weird... During the backup window, can you sign into the host and access e:?

Any other tasks on this host that might 'shuffle' drive letters?

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no nothing that changes drive letters.
i haven't tried accessing it, because it usually starts the full backup around 2am.
however i have signed in and made sure that all the drives are connected.
when this first started happening i rebooted the server every saturday and that seemed to fix it.
now it started doing it again and i still reboot the server.
frustrating dealing with backup issues.

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didnt see anything, I always check the event logs.
i attached a small clip of the event log from last weekend.
when i open the event log error it says "End Backup: E: Warnings or errors were encountered consult backup log"
which says E: is not a valid drive, or you do not have access.

Attachments backup3.JPG 27.03 KB
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Well, then I guess verify the account that the backup is running with, and test it manually during that time window. That would be my next step.

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